GE GTDL740EDWW - Manual (Page 3)

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Listed by
Underwriters
Laboratories
For complete information, see installation instructions packed with your dryer.
Ducting Materials:
For best performance, this dryer should be vented with 4" diameter all rigid metal exhaust duct. If
rigid metal duct cannot be used, then UL-listed flexible metal (semi-rigid) ducting can be used (Kit
WX08X10077). In special installations, it may be necessary to connect the dryer to the house vent
using a flexible metal (foil-type) duct. A UL-listed flexible metal (foil-type) duct may be used ONLY
in installations where rigid metal or flexible metal (semi-rigid) ducting cannot be used AND where
a 4” diameter can be maintained throughout the entire length of the transition duct. Please see
installation instruction packed with your dryer for complete instructions when using flexible metal
(foil type) ducting.
Exhaust Length Calculation:
1. Determine the number of 90° turns needed for your installation. If you exhaust to the side or
bottom of dryer, add one turn.
2. The maximum length of 4" rigid (aluminum or galvanized) duct which can be tolerated is shown
in the table.
2. A turn of 45° or less may be ignored. Two 45° turns within the duct length should be treated as
a 90° elbow.
A turn over 45° should be treated as a 90° elbow.
Dryers must be exhausted to the outside.
Caution: For personal safety do not terminate exhaust into a chimney, under any enclosed
house floor (crawl space), or into an attic, since the accumulated lint could create a fire hazard or
moisture could cause damage. Never terminate the exhaust into a common duct or plenum with
a kitchen exhaust, since the combination of lint and grease could create a fire hazard.
Exhaust ducts should be terminated in a dampered wall cap to prevent back drafts, bird nesting,
etc. The wall cap must also be located at least 12" above the ground or any other obstruction with
the opening pointed down.
For more information on venting kits and accessories, please call 1-800-GE CARES.
Dimensions and Installation Information (in inches)
GTDL740ED
GE ® 7.8 cu. ft. capacity long-venting electric dryer
Specification Revised 3/14 370171
Dryer exhausting information—use metal
duct only vertical and horizontal ducting
A
B
2-1/2
4
GE Dryer Vent
A
B
2-1/2
4
GE Dryer Vent
A
Best performance
Maximum length
of 4" dia rigid
metal duct
Exhaust hood type
Domestic dryer models
Number
of 90°
turns
A
4"
opening
B
2-1/2"
opening
GE Frontload Long Vent 7.0
cu. ft. capacity electric dryer
(GFDL)
0 200 ft. 175 ft.
1 185 ft. 165 ft.
2 175 ft. 155 ft.
3 165 ft. 145 ft.
4 155 ft. 135 ft.
5 145 ft. 125 ft.
All Long Vent 6.0 - 8.0 cu. ft.
capacity electric & gas dryers
(GTDL)
0 150 ft. 125 ft.
1 135 ft. 115 ft.
2 125 ft. 105 ft.
3 115 ft. 95 ft.
4 105 ft. 85 ft.
5 95 ft. 75 ft.
All 6.0 - 8.3 cu. ft. capacity
models electric and gas dryers
(GFDS, GFDR, GFDN, GTDS,
GTDN, GHDN, GHDS, GTDP,
GLDP, GTDX, HTDP, HTDX)
0 90 ft. 60 ft.
1 60 ft. 45 ft.
2 45 ft. 35 ft.
3 35 ft. 25 ft.
4 25 ft. 15 ft.
DCVH480
0 90 ft. 60 ft.
1 60 ft. 45 ft.
2 45 ft. 35 ft.
3 35 ft. 25 ft.
All 3.6 cu. ft. (DSKS, DSKP)
electric dryers
0 46 ft. 37 ft.
1 37 ft. 30 ft.
2 30 ft. 22 ft.
3 23 ft. 15 ft.
Laundry Center GTUP270,
GTUN275
0 56 ft. 42 ft.
1 48 ft. 34 ft.
2 40 ft. 26 ft.
3 32 ft. 18 ft.
Laundry Center GTUP240
0 43 ft. 36 ft.
1 33 ft. 26 ft.
2 24 ft. 16 ft.
For every extra 90° elbow, reduce the allowable vent system length by 10 ft.
Two 45° elbows will be treated like one 90° elbow.
For the side exhaust installations, add one 90° elbow to the chart.
The total vent system length includes all the straight portions and elbows of the system (transition
duct included).
Laundry Center length includes factory-installed elbow that does not impact vent length.